Kyodo News agency says the controller also posted the flight plan for an unmanned American reconnaissance plane that was sent to gather data from the crippled Fukushima Dai-ichi nuclear power plant. All the images have since been deleted.

It says the transport ministry is investigating and considering disciplinary action. Calls to the ministry were not answered Saturday.

Kyodo News agency says the controller also posted the flight plan for an unmanned American reconnaissance plane that was sent to gather data from the crippled Fukushima Dai-ichi nuclear power plant. All the images have since been deleted.

It says the transport ministry is investigating and considering disciplinary action. Calls to the ministry were not answered Saturday.